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-rw-r--r--sub/sd_lavc.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/sub/sd_lavc.c b/sub/sd_lavc.c
index 5e0398d41c..3628607eed 100644
--- a/sub/sd_lavc.c
+++ b/sub/sd_lavc.c
@@ -210,8 +210,11 @@ static void decode(struct sd *sd, struct demux_packet *packet)
return;
if (pts != MP_NOPTS_VALUE) {
- if (sub.end_display_time > sub.start_display_time)
+ if (sub.end_display_time > sub.start_display_time &&
+ sub.end_display_time != UINT32_MAX)
+ {
duration = (sub.end_display_time - sub.start_display_time) / 1000.0;
+ }
pts += sub.start_display_time / 1000.0;
}
double endpts = MP_NOPTS_VALUE;